‏النكاح : Hadeeth No:3409 Ibn Abbas (Allaah be pleased with them) reported: It was proposed that he (the Prophet) be married to the daughter of Hamza, whereupon he said: She is not lawful for me for she is the daughter of my foster-brother, and that is unlawful by reason of fosterage what is unlawful by reason of genealogy....

‏البيوع : Hadeeth No:3719 Jabir (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who has land should cultivate it, but if he does not find it possible to cultivate it, or finds himself helpless to do so, he should lend it to his Muslim brother, but he should not accept ren...